RaceQuip offers various hardware pieces for auto racing seat belt and harness installation. All RaceQuip hardware is forged from premium quality SAE 1050 steel, then cadmium plated for corrosion resistance. This RaceQuip Eyebolt attaches the harness bracket to the vehicle by being secured to the body or floor of the vehicle. This 7/16-20 long eyebolt is designed to thread into most factory seat belt mounting holes. The length of the shank underneath the head is 1 7/8" and the thread size is 7/16-20. The Eyebolt comes with nut and washer and works with RaceQuip snap hook ends for quick release installation.